Cover for a trailer hitch
FIG. 1 is a top plan view of a cover for a trailer hitch showing my new design; 
     FIG. 2 is a bottom plan view thereof; 
     FIG. 3 is a rear elevation view thereof; 
     FIG. 4 is a front elevation view thereof; 
     FIG. 5 is a side elevation view thereof, the opposite side being a mirror image of that shown; and 
     FIG. 6 is a perspective view thereof.